/*清除页面内外边距，设置页面最小宽度；*/

body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-width: 1300px;
    /*body最小宽度设置为1300px*/
}


/*设置html a 样式*/

a {
    text-decoration: none;
    color: black;
}


/*搜索和筛选器样式*/


/*脖子大盒子区域*/

.neck {
    width: 100%;
    height: 220px;
    padding-top: 1px;
    background-color: gainsboro;
}


/*搜索和筛选的宽度和居中*/

.neck .max_1200 {
    width: 1200px;
    margin: 0 auto;
}


/*搜索框*/


/*搜索框大区域*/

.search {
    height: 100px;
}


/*搜索框区域*/

#top_search {
    width: 400px;
    height: 100px;
    float: right;
    /*background-color: #ded9e0;*/
}


/*搜索框区域*/

.search-area {
    width: 100%;
    height: 60px;
    position: relative;
}


/*搜索框*/

.search_input {
    margin-top: 28px;
    width: 290px;
    height: 30px;
    border: 1px solid #545c63;
    padding-left: 10px;
    background-color: #f3f5f6;
    border-radius: 8px 0 0 8px;
}


/*搜索按钮*/

.search_a {
    position: absolute;
    top: 28px;
    width: 34px;
    height: 34px;
    background-color: #545c63;
    background-image: url("../../images/course/search.png");
    /*设置搜索小图标位置*/
    background-size: 34px 34px;
    border-radius: 0 8px 8px 0;
}


/*热搜区域*/

#search_hot {
    width: 400px;
    height: 40px;
    float: left;
    color: #a3acb3;
}


/*热搜*/

#search_hot span {
    margin: 0 0 0 10px;
    font-weight: 100;
    width: 50px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    float: left;
}


/*热搜内容*/

#search_hot a {
    color: #a3acb3;
    margin: 0 8px;
    line-height: 40px;
    height: 40px;
    font-size: 14px;
    float: left;
}


/*热搜内容鼠标悬停颜色加深*/

#search_hot>a:hover {
    color: #58545c;
}


/*筛选器*/


/*筛选器大盒子*/

.filter {
    width: 100%;
    height: 190px;
    /*background-color: #1cb1ee;*/
    position: relative;
}


/*筛选条件盒子*/

.filter div {
    margin-top: 10px;
    width: 100%;
    height: 60px;
    /*background-color: #4ed72f;*/
}


/*筛选条件盒子鼠标悬停效果*/

.filter div:hover {
    background-color: #ffffff;
    border-radius: 15px;
}


/*筛选条件*/

.filter span {
    float: left;
    width: 50px;
    height: 50px;
    /*background-color: blanchedalmond;*/
    margin: 5px;
    margin-left: 20px;
    line-height: 50px;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    /*position: relative;*/
}


/*筛选项目ul*/

.filter ul {
    padding: 0;
    margin: 0;
    float: left;
    width: 1120px;
    height: 60px;
    /*background-color: darkolivegreen;*/
}


/*筛选项目li*/

.filter ul li {
    font-size: 13px;
    list-style: none;
    text-align: center;
    float: left;
    height: 40px;
    padding: 0 10px;
    margin: 10px 0;
    line-height: 40px;
    position: relative;
}


/*筛选项目li默认on"全部"*/

.filter .on {
    border-radius: 5px;
    background-color: #7a819e;
    color: red;
}


/*!*筛选项目li on 元素红色字体*!*/


/*筛选项目li a 鼠标选中样式*/

.filter ul li a:hover {
    color: #8e8e8e;
}


/*课程列表区域盒子*/

.main {
    width: 100%;
    /* height: 1200px; */
    background-color: #f3f5f6;
}


/*课程列表主体盒子*/

.course_list {
    width: 1200px;
    margin: 0 auto;
    /* position: relative; */
    padding: 10px;
    /* background-color: #8e8e8e; */
}


/*课程盒子*/

.course_list .course {
    width: 280px;
    height: 330px;
    margin: 10px;
    float: left;
    /* display: inline-block; */
    background-color: #e2dbff;
    border-radius: 10px;
}

/*课程盒子鼠标悬停阴影*/

.course_list .course:hover {
    box-shadow: 0 0 20px -8px black;
}


/* 课程盒子图片 */

.course_list .course_img {
    width: 250px;
    height: 150px;
    background-color: aquamarine;
    margin: 15px;
}

.course_img img{
    width: 250px;
    height: 150px;
}

/* 课程名称 */

.course_list .title {
    padding: 5px;
    padding-left: 10px;
    font-size: 15px;
    margin: 0;
    float: left;
    width: 100%;
    height: 60px;
    line-height: 30px;
    /* background-color: #545c63; */
}


/* 课程信息 */

.course_list .information {
    margin: 0;
    margin-top: 15px;
    line-height: 20px;
    font-size: 13px;
    font-weight: 100;
    float: left;
    width: 100%;
    height: 20px;
    color: #706c6c;
    /* background-color: #396081; */
}


/* 课程价格 */

.course_list .price {
    margin: 10px 0 0 5px;
    /* margin-top: 10px; */
    width: 270px;
    float: left;
    font-size: 14px;
    line-height: 30px;
    height: 30px;
    /*background-color: #303e4b;*/
}


/* 撑起父元素 */

.course_paging {
    clear: both;
}


/* 翻页ul宽度 */

.course_paging ul {
    /* float: left; */
    padding: 0;
    width: 200px;
    height: 20px;
    margin: 0 auto;
    /* background-color: #c52c48; */
}

.course_paging ul li {
    cursor: pointer;
    width: 20px;
    height: 20px;
    margin: 0 10px 0px;
    text-align: center;
    border-radius: 10px;
    line-height: 20px;
    font-size: 10px;
    background-color: #e2dbff;
    list-style: none;
    float: left;
}

.course_paging .on {
    background-color: #583ad1;
}